package com.cy.pj.activity.service;

import java.util.List;

import com.cy.pj.activity.pojo.Activity;
//引入包中的类ctr+shift+o
public interface ActivityService {
	//查询所有信息
	List<Activity> findActivities();
	//添加信息
	int saveActivity(Activity activity);
	//删除信息
	int deleteById(long id);
	
	Activity findById(long id);
	//更新信息
	int updateObject(Activity activity);
	//
	
	
}

